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diff --git a/assets/javascripts/cryptojs/aes.js b/assets/javascripts/cryptojs/aes.js
new file mode 100755
index 0000000..166e3ea
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+++ b/assets/javascripts/cryptojs/aes.js
@@ -0,0 +1,234 @@
+;(function (root, factory, undef) {
+ if (typeof exports === "object") {
+ // CommonJS
+ module.exports = exports = factory(require("./core"), require("./enc-base64"), require("./md5"), require("./evpkdf"), require("./cipher-core"));
+ }
+ else if (typeof define === "function" && define.amd) {
+ // AMD
+ define(["./core", "./enc-base64", "./md5", "./evpkdf", "./cipher-core"], factory);
+ }
+ else {
+ // Global (browser)
+ factory(root.CryptoJS);
+ }
+}(this, function (CryptoJS) {
+
+ (function () {
+ // Shortcuts
+ var C = CryptoJS;
+ var C_lib = C.lib;
+ var BlockCipher = C_lib.BlockCipher;
+ var C_algo = C.algo;
+
+ // Lookup tables
+ var SBOX = [];
+ var INV_SBOX = [];
+ var SUB_MIX_0 = [];
+ var SUB_MIX_1 = [];
+ var SUB_MIX_2 = [];
+ var SUB_MIX_3 = [];
+ var INV_SUB_MIX_0 = [];
+ var INV_SUB_MIX_1 = [];
+ var INV_SUB_MIX_2 = [];
+ var INV_SUB_MIX_3 = [];
+
+ // Compute lookup tables
+ (function () {
+ // Compute double table
+ var d = [];
+ for (var i = 0; i < 256; i++) {
+ if (i < 128) {
+ d[i] = i << 1;
+ } else {
+ d[i] = (i << 1) ^ 0x11b;
+ }
+ }
+
+ // Walk GF(2^8)
+ var x = 0;
+ var xi = 0;
+ for (var i = 0; i < 256; i++) {
+ // Compute sbox
+ var sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);
+ sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;
+ SBOX[x] = sx;
+ INV_SBOX[sx] = x;
+
+ // Compute multiplication
+ var x2 = d[x];
+ var x4 = d[x2];
+ var x8 = d[x4];
+
+ // Compute sub bytes, mix columns tables
+ var t = (d[sx] * 0x101) ^ (sx * 0x1010100);
+ SUB_MIX_0[x] = (t << 24) | (t >>> 8);
+ SUB_MIX_1[x] = (t << 16) | (t >>> 16);
+ SUB_MIX_2[x] = (t << 8) | (t >>> 24);
+ SUB_MIX_3[x] = t;
+
+ // Compute inv sub bytes, inv mix columns tables
+ var t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);
+ INV_SUB_MIX_0[sx] = (t << 24) | (t >>> 8);
+ INV_SUB_MIX_1[sx] = (t << 16) | (t >>> 16);
+ INV_SUB_MIX_2[sx] = (t << 8) | (t >>> 24);
+ INV_SUB_MIX_3[sx] = t;
+
+ // Compute next counter
+ if (!x) {
+ x = xi = 1;
+ } else {
+ x = x2 ^ d[d[d[x8 ^ x2]]];
+ xi ^= d[d[xi]];
+ }
+ }
+ }());
+
+ // Precomputed Rcon lookup
+ var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];
+
+ /**
+ * AES block cipher algorithm.
+ */
+ var AES = C_algo.AES = BlockCipher.extend({
+ _doReset: function () {
+ var t;
+
+ // Skip reset of nRounds has been set before and key did not change
+ if (this._nRounds && this._keyPriorReset === this._key) {
+ return;
+ }
+
+ // Shortcuts
+ var key = this._keyPriorReset = this._key;
+ var keyWords = key.words;
+ var keySize = key.sigBytes / 4;
+
+ // Compute number of rounds
+ var nRounds = this._nRounds = keySize + 6;
+
+ // Compute number of key schedule rows
+ var ksRows = (nRounds + 1) * 4;
+
+ // Compute key schedule
+ var keySchedule = this._keySchedule = [];
+ for (var ksRow = 0; ksRow < ksRows; ksRow++) {
+ if (ksRow < keySize) {
+ keySchedule[ksRow] = keyWords[ksRow];
+ } else {
+ t = keySchedule[ksRow - 1];
+
+ if (!(ksRow % keySize)) {
+ // Rot word
+ t = (t << 8) | (t >>> 24);
+
+ // Sub word
+ t = (SBOX[t >>> 24] << 24) | (SBOX[(t >>> 16) & 0xff] << 16) | (SBOX[(t >>> 8) & 0xff] << 8) | SBOX[t & 0xff];
+
+ // Mix Rcon
+ t ^= RCON[(ksRow / keySize) | 0] << 24;
+ } else if (keySize > 6 && ksRow % keySize == 4) {
+ // Sub word
+ t = (SBOX[t >>> 24] << 24) | (SBOX[(t >>> 16) & 0xff] << 16) | (SBOX[(t >>> 8) & 0xff] << 8) | SBOX[t & 0xff];
+ }
+
+ keySchedule[ksRow] = keySchedule[ksRow - keySize] ^ t;
+ }
+ }
+
+ // Compute inv key schedule
+ var invKeySchedule = this._invKeySchedule = [];
+ for (var invKsRow = 0; invKsRow < ksRows; invKsRow++) {
+ var ksRow = ksRows - invKsRow;
+
+ if (invKsRow % 4) {
+ var t = keySchedule[ksRow];
+ } else {
+ var t = keySchedule[ksRow - 4];
+ }
+
+ if (invKsRow < 4 || ksRow <= 4) {
+ invKeySchedule[invKsRow] = t;
+ } else {
+ invKeySchedule[invKsRow] = INV_SUB_MIX_0[SBOX[t >>> 24]] ^ INV_SUB_MIX_1[SBOX[(t >>> 16) & 0xff]] ^
+ INV_SUB_MIX_2[SBOX[(t >>> 8) & 0xff]] ^ INV_SUB_MIX_3[SBOX[t & 0xff]];
+ }
+ }
+ },
+
+ encryptBlock: function (M, offset) {
+ this._doCryptBlock(M, offset, this._keySchedule, SUB_MIX_0, SUB_MIX_1, SUB_MIX_2, SUB_MIX_3, SBOX);
+ },
+
+ decryptBlock: function (M, offset) {
+ // Swap 2nd and 4th rows
+ var t = M[offset + 1];
+ M[offset + 1] = M[offset + 3];
+ M[offset + 3] = t;
+
+ this._doCryptBlock(M, offset, this._invKeySchedule, INV_SUB_MIX_0, INV_SUB_MIX_1, INV_SUB_MIX_2, INV_SUB_MIX_3, INV_SBOX);
+
+ // Inv swap 2nd and 4th rows
+ var t = M[offset + 1];
+ M[offset + 1] = M[offset + 3];
+ M[offset + 3] = t;
+ },
+
+ _doCryptBlock: function (M, offset, keySchedule, SUB_MIX_0, SUB_MIX_1, SUB_MIX_2, SUB_MIX_3, SBOX) {
+ // Shortcut
+ var nRounds = this._nRounds;
+
+ // Get input, add round key
+ var s0 = M[offset] ^ keySchedule[0];
+ var s1 = M[offset + 1] ^ keySchedule[1];
+ var s2 = M[offset + 2] ^ keySchedule[2];
+ var s3 = M[offset + 3] ^ keySchedule[3];
+
+ // Key schedule row counter
+ var ksRow = 4;
+
+ // Rounds
+ for (var round = 1; round < nRounds; round++) {
+ // Shift rows, sub bytes, mix columns, add round key
+ var t0 = SUB_MIX_0[s0 >>> 24] ^ SUB_MIX_1[(s1 >>> 16) & 0xff] ^ SUB_MIX_2[(s2 >>> 8) & 0xff] ^ SUB_MIX_3[s3 & 0xff] ^ keySchedule[ksRow++];
+ var t1 = SUB_MIX_0[s1 >>> 24] ^ SUB_MIX_1[(s2 >>> 16) & 0xff] ^ SUB_MIX_2[(s3 >>> 8) & 0xff] ^ SUB_MIX_3[s0 & 0xff] ^ keySchedule[ksRow++];
+ var t2 = SUB_MIX_0[s2 >>> 24] ^ SUB_MIX_1[(s3 >>> 16) & 0xff] ^ SUB_MIX_2[(s0 >>> 8) & 0xff] ^ SUB_MIX_3[s1 & 0xff] ^ keySchedule[ksRow++];
+ var t3 = SUB_MIX_0[s3 >>> 24] ^ SUB_MIX_1[(s0 >>> 16) & 0xff] ^ SUB_MIX_2[(s1 >>> 8) & 0xff] ^ SUB_MIX_3[s2 & 0xff] ^ keySchedule[ksRow++];
+
+ // Update state
+ s0 = t0;
+ s1 = t1;
+ s2 = t2;
+ s3 = t3;
+ }
+
+ // Shift rows, sub bytes, add round key
+ var t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++];
+ var t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++];
+ var t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++];
+ var t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++];
+
+ // Set output
+ M[offset] = t0;
+ M[offset + 1] = t1;
+ M[offset + 2] = t2;
+ M[offset + 3] = t3;
+ },
+
+ keySize: 256/32
+ });
+
+ /**
+ * Shortcut functions to the cipher's object interface.
+ *
+ * @example
+ *
+ * var ciphertext = CryptoJS.AES.encrypt(message, key, cfg);
+ * var plaintext = CryptoJS.AES.decrypt(ciphertext, key, cfg);
+ */
+ C.AES = BlockCipher._createHelper(AES);
+ }());
+
+
+ return CryptoJS.AES;
+
+}));
\ No newline at end of file
diff --git a/assets/javascripts/cryptojs/cipher-core.js b/assets/javascripts/cryptojs/cipher-core.js
new file mode 100755
index 0000000..c560c9e
--- /dev/null
+++ b/assets/javascripts/cryptojs/cipher-core.js
@@ -0,0 +1,890 @@
+;(function (root, factory, undef) {
+ if (typeof exports === "object") {
+ // CommonJS
+ module.exports = exports = factory(require("./core"), require("./evpkdf"));
+ }
+ else if (typeof define === "function" && define.amd) {
+ // AMD
+ define(["./core", "./evpkdf"], factory);
+ }
+ else {
+ // Global (browser)
+ factory(root.CryptoJS);
+ }
+}(this, function (CryptoJS) {
+
+ /**
+ * Cipher core components.
+ */
+ CryptoJS.lib.Cipher || (function (undefined) {
+ // Shortcuts
+ var C = CryptoJS;
+ var C_lib = C.lib;
+ var Base = C_lib.Base;
+ var WordArray = C_lib.WordArray;
+ var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm;
+ var C_enc = C.enc;
+ var Utf8 = C_enc.Utf8;
+ var Base64 = C_enc.Base64;
+ var C_algo = C.algo;
+ var EvpKDF = C_algo.EvpKDF;
+
+ /**
+ * Abstract base cipher template.
+ *
+ * @property {number} keySize This cipher's key size. Default: 4 (128 bits)
+ * @property {number} ivSize This cipher's IV size. Default: 4 (128 bits)
+ * @property {number} _ENC_XFORM_MODE A constant representing encryption mode.
+ * @property {number} _DEC_XFORM_MODE A constant representing decryption mode.
+ */
+ var Cipher = C_lib.Cipher = BufferedBlockAlgorithm.extend({
+ /**
+ * Configuration options.
+ *
+ * @property {WordArray} iv The IV to use for this operation.
+ */
+ cfg: Base.extend(),
+
+ /**
+ * Creates this cipher in encryption mode.
+ *
+ * @param {WordArray} key The key.
+ * @param {Object} cfg (Optional) The configuration options to use for this operation.
+ *
+ * @return {Cipher} A cipher instance.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var cipher = CryptoJS.algo.AES.createEncryptor(keyWordArray, { iv: ivWordArray });
+ */
+ createEncryptor: function (key, cfg) {
+ return this.create(this._ENC_XFORM_MODE, key, cfg);
+ },
+
+ /**
+ * Creates this cipher in decryption mode.
+ *
+ * @param {WordArray} key The key.
+ * @param {Object} cfg (Optional) The configuration options to use for this operation.
+ *
+ * @return {Cipher} A cipher instance.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var cipher = CryptoJS.algo.AES.createDecryptor(keyWordArray, { iv: ivWordArray });
+ */
+ createDecryptor: function (key, cfg) {
+ return this.create(this._DEC_XFORM_MODE, key, cfg);
+ },
+
+ /**
+ * Initializes a newly created cipher.
+ *
+ * @param {number} xformMode Either the encryption or decryption transormation mode constant.
+ * @param {WordArray} key The key.
+ * @param {Object} cfg (Optional) The configuration options to use for this operation.
+ *
+ * @example
+ *
+ * var cipher = CryptoJS.algo.AES.create(CryptoJS.algo.AES._ENC_XFORM_MODE, keyWordArray, { iv: ivWordArray });
+ */
+ init: function (xformMode, key, cfg) {
+ // Apply config defaults
+ this.cfg = this.cfg.extend(cfg);
+
+ // Store transform mode and key
+ this._xformMode = xformMode;
+ this._key = key;
+
+ // Set initial values
+ this.reset();
+ },
+
+ /**
+ * Resets this cipher to its initial state.
+ *
+ * @example
+ *
+ * cipher.reset();
+ */
+ reset: function () {
+ // Reset data buffer
+ BufferedBlockAlgorithm.reset.call(this);
+
+ // Perform concrete-cipher logic
+ this._doReset();
+ },
+
+ /**
+ * Adds data to be encrypted or decrypted.
+ *
+ * @param {WordArray|string} dataUpdate The data to encrypt or decrypt.
+ *
+ * @return {WordArray} The data after processing.
+ *
+ * @example
+ *
+ * var encrypted = cipher.process('data');
+ * var encrypted = cipher.process(wordArray);
+ */
+ process: function (dataUpdate) {
+ // Append
+ this._append(dataUpdate);
+
+ // Process available blocks
+ return this._process();
+ },
+
+ /**
+ * Finalizes the encryption or decryption process.
+ * Note that the finalize operation is effectively a destructive, read-once operation.
+ *
+ * @param {WordArray|string} dataUpdate The final data to encrypt or decrypt.
+ *
+ * @return {WordArray} The data after final processing.
+ *
+ * @example
+ *
+ * var encrypted = cipher.finalize();
+ * var encrypted = cipher.finalize('data');
+ * var encrypted = cipher.finalize(wordArray);
+ */
+ finalize: function (dataUpdate) {
+ // Final data update
+ if (dataUpdate) {
+ this._append(dataUpdate);
+ }
+
+ // Perform concrete-cipher logic
+ var finalProcessedData = this._doFinalize();
+
+ return finalProcessedData;
+ },
+
+ keySize: 128/32,
+
+ ivSize: 128/32,
+
+ _ENC_XFORM_MODE: 1,
+
+ _DEC_XFORM_MODE: 2,
+
+ /**
+ * Creates shortcut functions to a cipher's object interface.
+ *
+ * @param {Cipher} cipher The cipher to create a helper for.
+ *
+ * @return {Object} An object with encrypt and decrypt shortcut functions.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var AES = CryptoJS.lib.Cipher._createHelper(CryptoJS.algo.AES);
+ */
+ _createHelper: (function () {
+ function selectCipherStrategy(key) {
+ if (typeof key == 'string') {
+ return PasswordBasedCipher;
+ } else {
+ return SerializableCipher;
+ }
+ }
+
+ return function (cipher) {
+ return {
+ encrypt: function (message, key, cfg) {
+ return selectCipherStrategy(key).encrypt(cipher, message, key, cfg);
+ },
+
+ decrypt: function (ciphertext, key, cfg) {
+ return selectCipherStrategy(key).decrypt(cipher, ciphertext, key, cfg);
+ }
+ };
+ };
+ }())
+ });
+
+ /**
+ * Abstract base stream cipher template.
+ *
+ * @property {number} blockSize The number of 32-bit words this cipher operates on. Default: 1 (32 bits)
+ */
+ var StreamCipher = C_lib.StreamCipher = Cipher.extend({
+ _doFinalize: function () {
+ // Process partial blocks
+ var finalProcessedBlocks = this._process(!!'flush');
+
+ return finalProcessedBlocks;
+ },
+
+ blockSize: 1
+ });
+
+ /**
+ * Mode namespace.
+ */
+ var C_mode = C.mode = {};
+
+ /**
+ * Abstract base block cipher mode template.
+ */
+ var BlockCipherMode = C_lib.BlockCipherMode = Base.extend({
+ /**
+ * Creates this mode for encryption.
+ *
+ * @param {Cipher} cipher A block cipher instance.
+ * @param {Array} iv The IV words.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var mode = CryptoJS.mode.CBC.createEncryptor(cipher, iv.words);
+ */
+ createEncryptor: function (cipher, iv) {
+ return this.Encryptor.create(cipher, iv);
+ },
+
+ /**
+ * Creates this mode for decryption.
+ *
+ * @param {Cipher} cipher A block cipher instance.
+ * @param {Array} iv The IV words.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var mode = CryptoJS.mode.CBC.createDecryptor(cipher, iv.words);
+ */
+ createDecryptor: function (cipher, iv) {
+ return this.Decryptor.create(cipher, iv);
+ },
+
+ /**
+ * Initializes a newly created mode.
+ *
+ * @param {Cipher} cipher A block cipher instance.
+ * @param {Array} iv The IV words.
+ *
+ * @example
+ *
+ * var mode = CryptoJS.mode.CBC.Encryptor.create(cipher, iv.words);
+ */
+ init: function (cipher, iv) {
+ this._cipher = cipher;
+ this._iv = iv;
+ }
+ });
+
+ /**
+ * Cipher Block Chaining mode.
+ */
+ var CBC = C_mode.CBC = (function () {
+ /**
+ * Abstract base CBC mode.
+ */
+ var CBC = BlockCipherMode.extend();
+
+ /**
+ * CBC encryptor.
+ */
+ CBC.Encryptor = CBC.extend({
+ /**
+ * Processes the data block at offset.
+ *
+ * @param {Array} words The data words to operate on.
+ * @param {number} offset The offset where the block starts.
+ *
+ * @example
+ *
+ * mode.processBlock(data.words, offset);
+ */
+ processBlock: function (words, offset) {
+ // Shortcuts
+ var cipher = this._cipher;
+ var blockSize = cipher.blockSize;
+
+ // XOR and encrypt
+ xorBlock.call(this, words, offset, blockSize);
+ cipher.encryptBlock(words, offset);
+
+ // Remember this block to use with next block
+ this._prevBlock = words.slice(offset, offset + blockSize);
+ }
+ });
+
+ /**
+ * CBC decryptor.
+ */
+ CBC.Decryptor = CBC.extend({
+ /**
+ * Processes the data block at offset.
+ *
+ * @param {Array} words The data words to operate on.
+ * @param {number} offset The offset where the block starts.
+ *
+ * @example
+ *
+ * mode.processBlock(data.words, offset);
+ */
+ processBlock: function (words, offset) {
+ // Shortcuts
+ var cipher = this._cipher;
+ var blockSize = cipher.blockSize;
+
+ // Remember this block to use with next block
+ var thisBlock = words.slice(offset, offset + blockSize);
+
+ // Decrypt and XOR
+ cipher.decryptBlock(words, offset);
+ xorBlock.call(this, words, offset, blockSize);
+
+ // This block becomes the previous block
+ this._prevBlock = thisBlock;
+ }
+ });
+
+ function xorBlock(words, offset, blockSize) {
+ var block;
+
+ // Shortcut
+ var iv = this._iv;
+
+ // Choose mixing block
+ if (iv) {
+ block = iv;
+
+ // Remove IV for subsequent blocks
+ this._iv = undefined;
+ } else {
+ block = this._prevBlock;
+ }
+
+ // XOR blocks
+ for (var i = 0; i < blockSize; i++) {
+ words[offset + i] ^= block[i];
+ }
+ }
+
+ return CBC;
+ }());
+
+ /**
+ * Padding namespace.
+ */
+ var C_pad = C.pad = {};
+
+ /**
+ * PKCS #5/7 padding strategy.
+ */
+ var Pkcs7 = C_pad.Pkcs7 = {
+ /**
+ * Pads data using the algorithm defined in PKCS #5/7.
+ *
+ * @param {WordArray} data The data to pad.
+ * @param {number} blockSize The multiple that the data should be padded to.
+ *
+ * @static
+ *
+ * @example
+ *
+ * CryptoJS.pad.Pkcs7.pad(wordArray, 4);
+ */
+ pad: function (data, blockSize) {
+ // Shortcut
+ var blockSizeBytes = blockSize * 4;
+
+ // Count padding bytes
+ var nPaddingBytes = blockSizeBytes - data.sigBytes % blockSizeBytes;
+
+ // Create padding word
+ var paddingWord = (nPaddingBytes << 24) | (nPaddingBytes << 16) | (nPaddingBytes << 8) | nPaddingBytes;
+
+ // Create padding
+ var paddingWords = [];
+ for (var i = 0; i < nPaddingBytes; i += 4) {
+ paddingWords.push(paddingWord);
+ }
+ var padding = WordArray.create(paddingWords, nPaddingBytes);
+
+ // Add padding
+ data.concat(padding);
+ },
+
+ /**
+ * Unpads data that had been padded using the algorithm defined in PKCS #5/7.
+ *
+ * @param {WordArray} data The data to unpad.
+ *
+ * @static
+ *
+ * @example
+ *
+ * CryptoJS.pad.Pkcs7.unpad(wordArray);
+ */
+ unpad: function (data) {
+ // Get number of padding bytes from last byte
+ var nPaddingBytes = data.words[(data.sigBytes - 1) >>> 2] & 0xff;
+
+ // Remove padding
+ data.sigBytes -= nPaddingBytes;
+ }
+ };
+
+ /**
+ * Abstract base block cipher template.
+ *
+ * @property {number} blockSize The number of 32-bit words this cipher operates on. Default: 4 (128 bits)
+ */
+ var BlockCipher = C_lib.BlockCipher = Cipher.extend({
+ /**
+ * Configuration options.
+ *
+ * @property {Mode} mode The block mode to use. Default: CBC
+ * @property {Padding} padding The padding strategy to use. Default: Pkcs7
+ */
+ cfg: Cipher.cfg.extend({
+ mode: CBC,
+ padding: Pkcs7
+ }),
+
+ reset: function () {
+ var modeCreator;
+
+ // Reset cipher
+ Cipher.reset.call(this);
+
+ // Shortcuts
+ var cfg = this.cfg;
+ var iv = cfg.iv;
+ var mode = cfg.mode;
+
+ // Reset block mode
+ if (this._xformMode == this._ENC_XFORM_MODE) {
+ modeCreator = mode.createEncryptor;
+ } else /* if (this._xformMode == this._DEC_XFORM_MODE) */ {
+ modeCreator = mode.createDecryptor;
+ // Keep at least one block in the buffer for unpadding
+ this._minBufferSize = 1;
+ }
+
+ if (this._mode && this._mode.__creator == modeCreator) {
+ this._mode.init(this, iv && iv.words);
+ } else {
+ this._mode = modeCreator.call(mode, this, iv && iv.words);
+ this._mode.__creator = modeCreator;
+ }
+ },
+
+ _doProcessBlock: function (words, offset) {
+ this._mode.processBlock(words, offset);
+ },
+
+ _doFinalize: function () {
+ var finalProcessedBlocks;
+
+ // Shortcut
+ var padding = this.cfg.padding;
+
+ // Finalize
+ if (this._xformMode == this._ENC_XFORM_MODE) {
+ // Pad data
+ padding.pad(this._data, this.blockSize);
+
+ // Process final blocks
+ finalProcessedBlocks = this._process(!!'flush');
+ } else /* if (this._xformMode == this._DEC_XFORM_MODE) */ {
+ // Process final blocks
+ finalProcessedBlocks = this._process(!!'flush');
+
+ // Unpad data
+ padding.unpad(finalProcessedBlocks);
+ }
+
+ return finalProcessedBlocks;
+ },
+
+ blockSize: 128/32
+ });
+
+ /**
+ * A collection of cipher parameters.
+ *
+ * @property {WordArray} ciphertext The raw ciphertext.
+ * @property {WordArray} key The key to this ciphertext.
+ * @property {WordArray} iv The IV used in the ciphering operation.
+ * @property {WordArray} salt The salt used with a key derivation function.
+ * @property {Cipher} algorithm The cipher algorithm.
+ * @property {Mode} mode The block mode used in the ciphering operation.
+ * @property {Padding} padding The padding scheme used in the ciphering operation.
+ * @property {number} blockSize The block size of the cipher.
+ * @property {Format} formatter The default formatting strategy to convert this cipher params object to a string.
+ */
+ var CipherParams = C_lib.CipherParams = Base.extend({
+ /**
+ * Initializes a newly created cipher params object.
+ *
+ * @param {Object} cipherParams An object with any of the possible cipher parameters.
+ *
+ * @example
+ *
+ * var cipherParams = CryptoJS.lib.CipherParams.create({
+ * ciphertext: ciphertextWordArray,
+ * key: keyWordArray,
+ * iv: ivWordArray,
+ * salt: saltWordArray,
+ * algorithm: CryptoJS.algo.AES,
+ * mode: CryptoJS.mode.CBC,
+ * padding: CryptoJS.pad.PKCS7,
+ * blockSize: 4,
+ * formatter: CryptoJS.format.OpenSSL
+ * });
+ */
+ init: function (cipherParams) {
+ this.mixIn(cipherParams);
+ },
+
+ /**
+ * Converts this cipher params object to a string.
+ *
+ * @param {Format} formatter (Optional) The formatting strategy to use.
+ *
+ * @return {string} The stringified cipher params.
+ *
+ * @throws Error If neither the formatter nor the default formatter is set.
+ *
+ * @example
+ *
+ * var string = cipherParams + '';
+ * var string = cipherParams.toString();
+ * var string = cipherParams.toString(CryptoJS.format.OpenSSL);
+ */
+ toString: function (formatter) {
+ return (formatter || this.formatter).stringify(this);
+ }
+ });
+
+ /**
+ * Format namespace.
+ */
+ var C_format = C.format = {};
+
+ /**
+ * OpenSSL formatting strategy.
+ */
+ var OpenSSLFormatter = C_format.OpenSSL = {
+ /**
+ * Converts a cipher params object to an OpenSSL-compatible string.
+ *
+ * @param {CipherParams} cipherParams The cipher params object.
+ *
+ * @return {string} The OpenSSL-compatible string.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var openSSLString = CryptoJS.format.OpenSSL.stringify(cipherParams);
+ */
+ stringify: function (cipherParams) {
+ var wordArray;
+
+ // Shortcuts
+ var ciphertext = cipherParams.ciphertext;
+ var salt = cipherParams.salt;
+
+ // Format
+ if (salt) {
+ wordArray = WordArray.create([0x53616c74, 0x65645f5f]).concat(salt).concat(ciphertext);
+ } else {
+ wordArray = ciphertext;
+ }
+
+ return wordArray.toString(Base64);
+ },
+
+ /**
+ * Converts an OpenSSL-compatible string to a cipher params object.
+ *
+ * @param {string} openSSLStr The OpenSSL-compatible string.
+ *
+ * @return {CipherParams} The cipher params object.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var cipherParams = CryptoJS.format.OpenSSL.parse(openSSLString);
+ */
+ parse: function (openSSLStr) {
+ var salt;
+
+ // Parse base64
+ var ciphertext = Base64.parse(openSSLStr);
+
+ // Shortcut
+ var ciphertextWords = ciphertext.words;
+
+ // Test for salt
+ if (ciphertextWords[0] == 0x53616c74 && ciphertextWords[1] == 0x65645f5f) {
+ // Extract salt
+ salt = WordArray.create(ciphertextWords.slice(2, 4));
+
+ // Remove salt from ciphertext
+ ciphertextWords.splice(0, 4);
+ ciphertext.sigBytes -= 16;
+ }
+
+ return CipherParams.create({ ciphertext: ciphertext, salt: salt });
+ }
+ };
+
+ /**
+ * A cipher wrapper that returns ciphertext as a serializable cipher params object.
+ */
+ var SerializableCipher = C_lib.SerializableCipher = Base.extend({
+ /**
+ * Configuration options.
+ *
+ * @property {Formatter} format The formatting strategy to convert cipher param objects to and from a string. Default: OpenSSL
+ */
+ cfg: Base.extend({
+ format: OpenSSLFormatter
+ }),
+
+ /**
+ * Encrypts a message.
+ *
+ * @param {Cipher} cipher The cipher algorithm to use.
+ * @param {WordArray|string} message The message to encrypt.
+ * @param {WordArray} key The key.
+ * @param {Object} cfg (Optional) The configuration options to use for this operation.
+ *
+ * @return {CipherParams} A cipher params object.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key);
+ * var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key, { iv: iv });
+ * var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key, { iv: iv, format: CryptoJS.format.OpenSSL });
+ */
+ encrypt: function (cipher, message, key, cfg) {
+ // Apply config defaults
+ cfg = this.cfg.extend(cfg);
+
+ // Encrypt
+ var encryptor = cipher.createEncryptor(key, cfg);
+ var ciphertext = encryptor.finalize(message);
+
+ // Shortcut
+ var cipherCfg = encryptor.cfg;
+
+ // Create and return serializable cipher params
+ return CipherParams.create({
+ ciphertext: ciphertext,
+ key: key,
+ iv: cipherCfg.iv,
+ algorithm: cipher,
+ mode: cipherCfg.mode,
+ padding: cipherCfg.padding,
+ blockSize: cipher.blockSize,
+ formatter: cfg.format
+ });
+ },
+
+ /**
+ * Decrypts serialized ciphertext.
+ *
+ * @param {Cipher} cipher The cipher algorithm to use.
+ * @param {CipherParams|string} ciphertext The ciphertext to decrypt.
+ * @param {WordArray} key The key.
+ * @param {Object} cfg (Optional) The configuration options to use for this operation.
+ *
+ * @return {WordArray} The plaintext.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var plaintext = CryptoJS.lib.SerializableCipher.decrypt(CryptoJS.algo.AES, formattedCiphertext, key, { iv: iv, format: CryptoJS.format.OpenSSL });
+ * var plaintext = CryptoJS.lib.SerializableCipher.decrypt(CryptoJS.algo.AES, ciphertextParams, key, { iv: iv, format: CryptoJS.format.OpenSSL });
+ */
+ decrypt: function (cipher, ciphertext, key, cfg) {
+ // Apply config defaults
+ cfg = this.cfg.extend(cfg);
+
+ // Convert string to CipherParams
+ ciphertext = this._parse(ciphertext, cfg.format);
+
+ // Decrypt
+ var plaintext = cipher.createDecryptor(key, cfg).finalize(ciphertext.ciphertext);
+
+ return plaintext;
+ },
+
+ /**
+ * Converts serialized ciphertext to CipherParams,
+ * else assumed CipherParams already and returns ciphertext unchanged.
+ *
+ * @param {CipherParams|string} ciphertext The ciphertext.
+ * @param {Formatter} format The formatting strategy to use to parse serialized ciphertext.
+ *
+ * @return {CipherParams} The unserialized ciphertext.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var ciphertextParams = CryptoJS.lib.SerializableCipher._parse(ciphertextStringOrParams, format);
+ */
+ _parse: function (ciphertext, format) {
+ if (typeof ciphertext == 'string') {
+ return format.parse(ciphertext, this);
+ } else {
+ return ciphertext;
+ }
+ }
+ });
+
+ /**
+ * Key derivation function namespace.
+ */
+ var C_kdf = C.kdf = {};
+
+ /**
+ * OpenSSL key derivation function.
+ */
+ var OpenSSLKdf = C_kdf.OpenSSL = {
+ /**
+ * Derives a key and IV from a password.
+ *
+ * @param {string} password The password to derive from.
+ * @param {number} keySize The size in words of the key to generate.
+ * @param {number} ivSize The size in words of the IV to generate.
+ * @param {WordArray|string} salt (Optional) A 64-bit salt to use. If omitted, a salt will be generated randomly.
+ *
+ * @return {CipherParams} A cipher params object with the key, IV, and salt.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var derivedParams = CryptoJS.kdf.OpenSSL.execute('Password', 256/32, 128/32);
+ * var derivedParams = CryptoJS.kdf.OpenSSL.execute('Password', 256/32, 128/32, 'saltsalt');
+ */
+ execute: function (password, keySize, ivSize, salt) {
+ // Generate random salt
+ if (!salt) {
+ salt = WordArray.random(64/8);
+ }
+
+ // Derive key and IV
+ var key = EvpKDF.create({ keySize: keySize + ivSize }).compute(password, salt);
+
+ // Separate key and IV
+ var iv = WordArray.create(key.words.slice(keySize), ivSize * 4);
+ key.sigBytes = keySize * 4;
+
+ // Return params
+ return CipherParams.create({ key: key, iv: iv, salt: salt });
+ }
+ };
+
+ /**
+ * A serializable cipher wrapper that derives the key from a password,
+ * and returns ciphertext as a serializable cipher params object.
+ */
+ var PasswordBasedCipher = C_lib.PasswordBasedCipher = SerializableCipher.extend({
+ /**
+ * Configuration options.
+ *
+ * @property {KDF} kdf The key derivation function to use to generate a key and IV from a password. Default: OpenSSL
+ */
+ cfg: SerializableCipher.cfg.extend({
+ kdf: OpenSSLKdf
+ }),
+
+ /**
+ * Encrypts a message using a password.
+ *
+ * @param {Cipher} cipher The cipher algorithm to use.
+ * @param {WordArray|string} message The message to encrypt.
+ * @param {string} password The password.
+ * @param {Object} cfg (Optional) The configuration options to use for this operation.
+ *
+ * @return {CipherParams} A cipher params object.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var ciphertextParams = CryptoJS.lib.PasswordBasedCipher.encrypt(CryptoJS.algo.AES, message, 'password');
+ * var ciphertextParams = CryptoJS.lib.PasswordBasedCipher.encrypt(CryptoJS.algo.AES, message, 'password', { format: CryptoJS.format.OpenSSL });
+ */
+ encrypt: function (cipher, message, password, cfg) {
+ // Apply config defaults
+ cfg = this.cfg.extend(cfg);
+
+ // Derive key and other params
+ var derivedParams = cfg.kdf.execute(password, cipher.keySize, cipher.ivSize);
+
+ // Add IV to config
+ cfg.iv = derivedParams.iv;
+
+ // Encrypt
+ var ciphertext = SerializableCipher.encrypt.call(this, cipher, message, derivedParams.key, cfg);
+
+ // Mix in derived params
+ ciphertext.mixIn(derivedParams);
+
+ return ciphertext;
+ },
+
+ /**
+ * Decrypts serialized ciphertext using a password.
+ *
+ * @param {Cipher} cipher The cipher algorithm to use.
+ * @param {CipherParams|string} ciphertext The ciphertext to decrypt.
+ * @param {string} password The password.
+ * @param {Object} cfg (Optional) The configuration options to use for this operation.
+ *
+ * @return {WordArray} The plaintext.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var plaintext = CryptoJS.lib.PasswordBasedCipher.decrypt(CryptoJS.algo.AES, formattedCiphertext, 'password', { format: CryptoJS.format.OpenSSL });
+ * var plaintext = CryptoJS.lib.PasswordBasedCipher.decrypt(CryptoJS.algo.AES, ciphertextParams, 'password', { format: CryptoJS.format.OpenSSL });
+ */
+ decrypt: function (cipher, ciphertext, password, cfg) {
+ // Apply config defaults
+ cfg = this.cfg.extend(cfg);
+
+ // Convert string to CipherParams
+ ciphertext = this._parse(ciphertext, cfg.format);
+
+ // Derive key and other params
+ var derivedParams = cfg.kdf.execute(password, cipher.keySize, cipher.ivSize, ciphertext.salt);
+
+ // Add IV to config
+ cfg.iv = derivedParams.iv;
+
+ // Decrypt
+ var plaintext = SerializableCipher.decrypt.call(this, cipher, ciphertext, derivedParams.key, cfg);
+
+ return plaintext;
+ }
+ });
+ }());
+
+
+}));
\ No newline at end of file
diff --git a/assets/javascripts/cryptojs/core.js b/assets/javascripts/cryptojs/core.js
new file mode 100755
index 0000000..e3a498b
--- /dev/null
+++ b/assets/javascripts/cryptojs/core.js
@@ -0,0 +1,807 @@
+;(function (root, factory) {
+ if (typeof exports === "object") {
+ // CommonJS
+ module.exports = exports = factory();
+ }
+ else if (typeof define === "function" && define.amd) {
+ // AMD
+ define([], factory);
+ }
+ else {
+ // Global (browser)
+ root.CryptoJS = factory();
+ }
+}(this, function () {
+
+ /*globals window, global, require*/
+
+ /**
+ * CryptoJS core components.
+ */
+ var CryptoJS = CryptoJS || (function (Math, undefined) {
+
+ var crypto;
+
+ // Native crypto from window (Browser)
+ if (typeof window !== 'undefined' && window.crypto) {
+ crypto = window.crypto;
+ }
+
+ // Native crypto in web worker (Browser)
+ if (typeof self !== 'undefined' && self.crypto) {
+ crypto = self.crypto;
+ }
+
+ // Native crypto from worker
+ if (typeof globalThis !== 'undefined' && globalThis.crypto) {
+ crypto = globalThis.crypto;
+ }
+
+ // Native (experimental IE 11) crypto from window (Browser)
+ if (!crypto && typeof window !== 'undefined' && window.msCrypto) {
+ crypto = window.msCrypto;
+ }
+
+ // Native crypto from global (NodeJS)
+ if (!crypto && typeof global !== 'undefined' && global.crypto) {
+ crypto = global.crypto;
+ }
+
+ // Native crypto import via require (NodeJS)
+ if (!crypto && typeof require === 'function') {
+ try {
+ crypto = require('crypto');
+ } catch (err) {}
+ }
+
+ /*
+ * Cryptographically secure pseudorandom number generator
+ *
+ * As Math.random() is cryptographically not safe to use
+ */
+ var cryptoSecureRandomInt = function () {
+ if (crypto) {
+ // Use getRandomValues method (Browser)
+ if (typeof crypto.getRandomValues === 'function') {
+ try {
+ return crypto.getRandomValues(new Uint32Array(1))[0];
+ } catch (err) {}
+ }
+
+ // Use randomBytes method (NodeJS)
+ if (typeof crypto.randomBytes === 'function') {
+ try {
+ return crypto.randomBytes(4).readInt32LE();
+ } catch (err) {}
+ }
+ }
+
+ throw new Error('Native crypto module could not be used to get secure random number.');
+ };
+
+ /*
+ * Local polyfill of Object.create
+
+ */
+ var create = Object.create || (function () {
+ function F() {}
+
+ return function (obj) {
+ var subtype;
+
+ F.prototype = obj;
+
+ subtype = new F();
+
+ F.prototype = null;
+
+ return subtype;
+ };
+ }());
+
+ /**
+ * CryptoJS namespace.
+ */
+ var C = {};
+
+ /**
+ * Library namespace.
+ */
+ var C_lib = C.lib = {};
+
+ /**
+ * Base object for prototypal inheritance.
+ */
+ var Base = C_lib.Base = (function () {
+
+
+ return {
+ /**
+ * Creates a new object that inherits from this object.
+ *
+ * @param {Object} overrides Properties to copy into the new object.
+ *
+ * @return {Object} The new object.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var MyType = CryptoJS.lib.Base.extend({
+ * field: 'value',
+ *
+ * method: function () {
+ * }
+ * });
+ */
+ extend: function (overrides) {
+ // Spawn
+ var subtype = create(this);
+
+ // Augment
+ if (overrides) {
+ subtype.mixIn(overrides);
+ }
+
+ // Create default initializer
+ if (!subtype.hasOwnProperty('init') || this.init === subtype.init) {
+ subtype.init = function () {
+ subtype.$super.init.apply(this, arguments);
+ };
+ }
+
+ // Initializer's prototype is the subtype object
+ subtype.init.prototype = subtype;
+
+ // Reference supertype
+ subtype.$super = this;
+
+ return subtype;
+ },
+
+ /**
+ * Extends this object and runs the init method.
+ * Arguments to create() will be passed to init().
+ *
+ * @return {Object} The new object.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var instance = MyType.create();
+ */
+ create: function () {
+ var instance = this.extend();
+ instance.init.apply(instance, arguments);
+
+ return instance;
+ },
+
+ /**
+ * Initializes a newly created object.
+ * Override this method to add some logic when your objects are created.
+ *
+ * @example
+ *
+ * var MyType = CryptoJS.lib.Base.extend({
+ * init: function () {
+ * // ...
+ * }
+ * });
+ */
+ init: function () {
+ },
+
+ /**
+ * Copies properties into this object.
+ *
+ * @param {Object} properties The properties to mix in.
+ *
+ * @example
+ *
+ * MyType.mixIn({
+ * field: 'value'
+ * });
+ */
+ mixIn: function (properties) {
+ for (var propertyName in properties) {
+ if (properties.hasOwnProperty(propertyName)) {
+ this[propertyName] = properties[propertyName];
+ }
+ }
+
+ // IE won't copy toString using the loop above
+ if (properties.hasOwnProperty('toString')) {
+ this.toString = properties.toString;
+ }
+ },
+
+ /**
+ * Creates a copy of this object.
+ *
+ * @return {Object} The clone.
+ *
+ * @example
+ *
+ * var clone = instance.clone();
+ */
+ clone: function () {
+ return this.init.prototype.extend(this);
+ }
+ };
+ }());
+
+ /**
+ * An array of 32-bit words.
+ *
+ * @property {Array} words The array of 32-bit words.
+ * @property {number} sigBytes The number of significant bytes in this word array.
+ */
+ var WordArray = C_lib.WordArray = Base.extend({
+ /**
+ * Initializes a newly created word array.
+ *
+ * @param {Array} words (Optional) An array of 32-bit words.
+ * @param {number} sigBytes (Optional) The number of significant bytes in the words.
+ *
+ * @example
+ *
+ * var wordArray = CryptoJS.lib.WordArray.create();
+ * var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607]);
+ * var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607], 6);
+ */
+ init: function (words, sigBytes) {
+ words = this.words = words || [];
+
+ if (sigBytes != undefined) {
+ this.sigBytes = sigBytes;
+ } else {
+ this.sigBytes = words.length * 4;
+ }
+ },
+
+ /**
+ * Converts this word array to a string.
+ *
+ * @param {Encoder} encoder (Optional) The encoding strategy to use. Default: CryptoJS.enc.Hex
+ *
+ * @return {string} The stringified word array.
+ *
+ * @example
+ *
+ * var string = wordArray + '';
+ * var string = wordArray.toString();
+ * var string = wordArray.toString(CryptoJS.enc.Utf8);
+ */
+ toString: function (encoder) {
+ return (encoder || Hex).stringify(this);
+ },
+
+ /**
+ * Concatenates a word array to this word array.
+ *
+ * @param {WordArray} wordArray The word array to append.
+ *
+ * @return {WordArray} This word array.
+ *
+ * @example
+ *
+ * wordArray1.concat(wordArray2);
+ */
+ concat: function (wordArray) {
+ // Shortcuts
+ var thisWords = this.words;
+ var thatWords = wordArray.words;
+ var thisSigBytes = this.sigBytes;
+ var thatSigBytes = wordArray.sigBytes;
+
+ // Clamp excess bits
+ this.clamp();
+
+ // Concat
+ if (thisSigBytes % 4) {
+ // Copy one byte at a time
+ for (var i = 0; i < thatSigBytes; i++) {
+ var thatByte = (thatWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
+ thisWords[(thisSigBytes + i) >>> 2] |= thatByte << (24 - ((thisSigBytes + i) % 4) * 8);
+ }
+ } else {
+ // Copy one word at a time
+ for (var j = 0; j < thatSigBytes; j += 4) {
+ thisWords[(thisSigBytes + j) >>> 2] = thatWords[j >>> 2];
+ }
+ }
+ this.sigBytes += thatSigBytes;
+
+ // Chainable
+ return this;
+ },
+
+ /**
+ * Removes insignificant bits.
+ *
+ * @example
+ *
+ * wordArray.clamp();
+ */
+ clamp: function () {
+ // Shortcuts
+ var words = this.words;
+ var sigBytes = this.sigBytes;
+
+ // Clamp
+ words[sigBytes >>> 2] &= 0xffffffff << (32 - (sigBytes % 4) * 8);
+ words.length = Math.ceil(sigBytes / 4);
+ },
+
+ /**
+ * Creates a copy of this word array.
+ *
+ * @return {WordArray} The clone.
+ *
+ * @example
+ *
+ * var clone = wordArray.clone();
+ */
+ clone: function () {
+ var clone = Base.clone.call(this);
+ clone.words = this.words.slice(0);
+
+ return clone;
+ },
+
+ /**
+ * Creates a word array filled with random bytes.
+ *
+ * @param {number} nBytes The number of random bytes to generate.
+ *
+ * @return {WordArray} The random word array.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var wordArray = CryptoJS.lib.WordArray.random(16);
+ */
+ random: function (nBytes) {
+ var words = [];
+
+ for (var i = 0; i < nBytes; i += 4) {
+ words.push(cryptoSecureRandomInt());
+ }
+
+ return new WordArray.init(words, nBytes);
+ }
+ });
+
+ /**
+ * Encoder namespace.
+ */
+ var C_enc = C.enc = {};
+
+ /**
+ * Hex encoding strategy.
+ */
+ var Hex = C_enc.Hex = {
+ /**
+ * Converts a word array to a hex string.
+ *
+ * @param {WordArray} wordArray The word array.
+ *
+ * @return {string} The hex string.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var hexString = CryptoJS.enc.Hex.stringify(wordArray);
+ */
+ stringify: function (wordArray) {
+ // Shortcuts
+ var words = wordArray.words;
+ var sigBytes = wordArray.sigBytes;
+
+ // Convert
+ var hexChars = [];
+ for (var i = 0; i < sigBytes; i++) {
+ var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
+ hexChars.push((bite >>> 4).toString(16));
+ hexChars.push((bite & 0x0f).toString(16));
+ }
+
+ return hexChars.join('');
+ },
+
+ /**
+ * Converts a hex string to a word array.
+ *
+ * @param {string} hexStr The hex string.
+ *
+ * @return {WordArray} The word array.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var wordArray = CryptoJS.enc.Hex.parse(hexString);
+ */
+ parse: function (hexStr) {
+ // Shortcut
+ var hexStrLength = hexStr.length;
+
+ // Convert
+ var words = [];
+ for (var i = 0; i < hexStrLength; i += 2) {
+ words[i >>> 3] |= parseInt(hexStr.substr(i, 2), 16) << (24 - (i % 8) * 4);
+ }
+
+ return new WordArray.init(words, hexStrLength / 2);
+ }
+ };
+
+ /**
+ * Latin1 encoding strategy.
+ */
+ var Latin1 = C_enc.Latin1 = {
+ /**
+ * Converts a word array to a Latin1 string.
+ *
+ * @param {WordArray} wordArray The word array.
+ *
+ * @return {string} The Latin1 string.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var latin1String = CryptoJS.enc.Latin1.stringify(wordArray);
+ */
+ stringify: function (wordArray) {
+ // Shortcuts
+ var words = wordArray.words;
+ var sigBytes = wordArray.sigBytes;
+
+ // Convert
+ var latin1Chars = [];
+ for (var i = 0; i < sigBytes; i++) {
+ var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
+ latin1Chars.push(String.fromCharCode(bite));
+ }
+
+ return latin1Chars.join('');
+ },
+
+ /**
+ * Converts a Latin1 string to a word array.
+ *
+ * @param {string} latin1Str The Latin1 string.
+ *
+ * @return {WordArray} The word array.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var wordArray = CryptoJS.enc.Latin1.parse(latin1String);
+ */
+ parse: function (latin1Str) {
+ // Shortcut
+ var latin1StrLength = latin1Str.length;
+
+ // Convert
+ var words = [];
+ for (var i = 0; i < latin1StrLength; i++) {
+ words[i >>> 2] |= (latin1Str.charCodeAt(i) & 0xff) << (24 - (i % 4) * 8);
+ }
+
+ return new WordArray.init(words, latin1StrLength);
+ }
+ };
+
+ /**
+ * UTF-8 encoding strategy.
+ */
+ var Utf8 = C_enc.Utf8 = {
+ /**
+ * Converts a word array to a UTF-8 string.
+ *
+ * @param {WordArray} wordArray The word array.
+ *
+ * @return {string} The UTF-8 string.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var utf8String = CryptoJS.enc.Utf8.stringify(wordArray);
+ */
+ stringify: function (wordArray) {
+ try {
+ return decodeURIComponent(escape(Latin1.stringify(wordArray)));
+ } catch (e) {
+ throw new Error('Malformed UTF-8 data');
+ }
+ },
+
+ /**
+ * Converts a UTF-8 string to a word array.
+ *
+ * @param {string} utf8Str The UTF-8 string.
+ *
+ * @return {WordArray} The word array.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var wordArray = CryptoJS.enc.Utf8.parse(utf8String);
+ */
+ parse: function (utf8Str) {
+ return Latin1.parse(unescape(encodeURIComponent(utf8Str)));
+ }
+ };
+
+ /**
+ * Abstract buffered block algorithm template.
+ *
+ * The property blockSize must be implemented in a concrete subtype.
+ *
+ * @property {number} _minBufferSize The number of blocks that should be kept unprocessed in the buffer. Default: 0
+ */
+ var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm = Base.extend({
+ /**
+ * Resets this block algorithm's data buffer to its initial state.
+ *
+ * @example
+ *
+ * bufferedBlockAlgorithm.reset();
+ */
+ reset: function () {
+ // Initial values
+ this._data = new WordArray.init();
+ this._nDataBytes = 0;
+ },
+
+ /**
+ * Adds new data to this block algorithm's buffer.
+ *
+ * @param {WordArray|string} data The data to append. Strings are converted to a WordArray using UTF-8.
+ *
+ * @example
+ *
+ * bufferedBlockAlgorithm._append('data');
+ * bufferedBlockAlgorithm._append(wordArray);
+ */
+ _append: function (data) {
+ // Convert string to WordArray, else assume WordArray already
+ if (typeof data == 'string') {
+ data = Utf8.parse(data);
+ }
+
+ // Append
+ this._data.concat(data);
+ this._nDataBytes += data.sigBytes;
+ },
+
+ /**
+ * Processes available data blocks.
+ *
+ * This method invokes _doProcessBlock(offset), which must be implemented by a concrete subtype.
+ *
+ * @param {boolean} doFlush Whether all blocks and partial blocks should be processed.
+ *
+ * @return {WordArray} The processed data.
+ *
+ * @example
+ *
+ * var processedData = bufferedBlockAlgorithm._process();
+ * var processedData = bufferedBlockAlgorithm._process(!!'flush');
+ */
+ _process: function (doFlush) {
+ var processedWords;
+
+ // Shortcuts
+ var data = this._data;
+ var dataWords = data.words;
+ var dataSigBytes = data.sigBytes;
+ var blockSize = this.blockSize;
+ var blockSizeBytes = blockSize * 4;
+
+ // Count blocks ready
+ var nBlocksReady = dataSigBytes / blockSizeBytes;
+ if (doFlush) {
+ // Round up to include partial blocks
+ nBlocksReady = Math.ceil(nBlocksReady);
+ } else {
+ // Round down to include only full blocks,
+ // less the number of blocks that must remain in the buffer
+ nBlocksReady = Math.max((nBlocksReady | 0) - this._minBufferSize, 0);
+ }
+
+ // Count words ready
+ var nWordsReady = nBlocksReady * blockSize;
+
+ // Count bytes ready
+ var nBytesReady = Math.min(nWordsReady * 4, dataSigBytes);
+
+ // Process blocks
+ if (nWordsReady) {
+ for (var offset = 0; offset < nWordsReady; offset += blockSize) {
+ // Perform concrete-algorithm logic
+ this._doProcessBlock(dataWords, offset);
+ }
+
+ // Remove processed words
+ processedWords = dataWords.splice(0, nWordsReady);
+ data.sigBytes -= nBytesReady;
+ }
+
+ // Return processed words
+ return new WordArray.init(processedWords, nBytesReady);
+ },
+
+ /**
+ * Creates a copy of this object.
+ *
+ * @return {Object} The clone.
+ *
+ * @example
+ *
+ * var clone = bufferedBlockAlgorithm.clone();
+ */
+ clone: function () {
+ var clone = Base.clone.call(this);
+ clone._data = this._data.clone();
+
+ return clone;
+ },
+
+ _minBufferSize: 0
+ });
+
+ /**
+ * Abstract hasher template.
+ *
+ * @property {number} blockSize The number of 32-bit words this hasher operates on. Default: 16 (512 bits)
+ */
+ var Hasher = C_lib.Hasher = BufferedBlockAlgorithm.extend({
+ /**
+ * Configuration options.
+ */
+ cfg: Base.extend(),
+
+ /**
+ * Initializes a newly created hasher.
+ *
+ * @param {Object} cfg (Optional) The configuration options to use for this hash computation.
+ *
+ * @example
+ *
+ * var hasher = CryptoJS.algo.SHA256.create();
+ */
+ init: function (cfg) {
+ // Apply config defaults
+ this.cfg = this.cfg.extend(cfg);
+
+ // Set initial values
+ this.reset();
+ },
+
+ /**
+ * Resets this hasher to its initial state.
+ *
+ * @example
+ *
+ * hasher.reset();
+ */
+ reset: function () {
+ // Reset data buffer
+ BufferedBlockAlgorithm.reset.call(this);
+
+ // Perform concrete-hasher logic
+ this._doReset();
+ },
+
+ /**
+ * Updates this hasher with a message.
+ *
+ * @param {WordArray|string} messageUpdate The message to append.
+ *
+ * @return {Hasher} This hasher.
+ *
+ * @example
+ *
+ * hasher.update('message');
+ * hasher.update(wordArray);
+ */
+ update: function (messageUpdate) {
+ // Append
+ this._append(messageUpdate);
+
+ // Update the hash
+ this._process();
+
+ // Chainable
+ return this;
+ },
+
+ /**
+ * Finalizes the hash computation.
+ * Note that the finalize operation is effectively a destructive, read-once operation.
+ *
+ * @param {WordArray|string} messageUpdate (Optional) A final message update.
+ *
+ * @return {WordArray} The hash.
+ *
+ * @example
+ *
+ * var hash = hasher.finalize();
+ * var hash = hasher.finalize('message');
+ * var hash = hasher.finalize(wordArray);
+ */
+ finalize: function (messageUpdate) {
+ // Final message update
+ if (messageUpdate) {
+ this._append(messageUpdate);
+ }
+
+ // Perform concrete-hasher logic
+ var hash = this._doFinalize();
+
+ return hash;
+ },
+
+ blockSize: 512/32,
+
+ /**
+ * Creates a shortcut function to a hasher's object interface.
+ *
+ * @param {Hasher} hasher The hasher to create a helper for.
+ *
+ * @return {Function} The shortcut function.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var SHA256 = CryptoJS.lib.Hasher._createHelper(CryptoJS.algo.SHA256);
+ */
+ _createHelper: function (hasher) {
+ return function (message, cfg) {
+ return new hasher.init(cfg).finalize(message);
+ };
+ },
+
+ /**
+ * Creates a shortcut function to the HMAC's object interface.
+ *
+ * @param {Hasher} hasher The hasher to use in this HMAC helper.
+ *
+ * @return {Function} The shortcut function.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var HmacSHA256 = CryptoJS.lib.Hasher._createHmacHelper(CryptoJS.algo.SHA256);
+ */
+ _createHmacHelper: function (hasher) {
+ return function (message, key) {
+ return new C_algo.HMAC.init(hasher, key).finalize(message);
+ };
+ }
+ });
+
+ /**
+ * Algorithm namespace.
+ */
+ var C_algo = C.algo = {};
+
+ return C;
+ }(Math));
+
+
+ return CryptoJS;
+
+}));
\ No newline at end of file
diff --git a/assets/javascripts/cryptojs/enc-base64.js b/assets/javascripts/cryptojs/enc-base64.js
new file mode 100755
index 0000000..0ffcd53
--- /dev/null
+++ b/assets/javascripts/cryptojs/enc-base64.js
@@ -0,0 +1,136 @@
+;(function (root, factory) {
+ if (typeof exports === "object") {
+ // CommonJS
+ module.exports = exports = factory(require("./core"));
+ }
+ else if (typeof define === "function" && define.amd) {
+ // AMD
+ define(["./core"], factory);
+ }
+ else {
+ // Global (browser)
+ factory(root.CryptoJS);
+ }
+}(this, function (CryptoJS) {
+
+ (function () {
+ // Shortcuts
+ var C = CryptoJS;
+ var C_lib = C.lib;
+ var WordArray = C_lib.WordArray;
+ var C_enc = C.enc;
+
+ /**
+ * Base64 encoding strategy.
+ */
+ var Base64 = C_enc.Base64 = {
+ /**
+ * Converts a word array to a Base64 string.
+ *
+ * @param {WordArray} wordArray The word array.
+ *
+ * @return {string} The Base64 string.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var base64String = CryptoJS.enc.Base64.stringify(wordArray);
+ */
+ stringify: function (wordArray) {
+ // Shortcuts
+ var words = wordArray.words;
+ var sigBytes = wordArray.sigBytes;
+ var map = this._map;
+
+ // Clamp excess bits
+ wordArray.clamp();
+
+ // Convert
+ var base64Chars = [];
+ for (var i = 0; i < sigBytes; i += 3) {
+ var byte1 = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
+ var byte2 = (words[(i + 1) >>> 2] >>> (24 - ((i + 1) % 4) * 8)) & 0xff;
+ var byte3 = (words[(i + 2) >>> 2] >>> (24 - ((i + 2) % 4) * 8)) & 0xff;
+
+ var triplet = (byte1 << 16) | (byte2 << 8) | byte3;
+
+ for (var j = 0; (j < 4) && (i + j * 0.75 < sigBytes); j++) {
+ base64Chars.push(map.charAt((triplet >>> (6 * (3 - j))) & 0x3f));
+ }
+ }
+
+ // Add padding
+ var paddingChar = map.charAt(64);
+ if (paddingChar) {
+ while (base64Chars.length % 4) {
+ base64Chars.push(paddingChar);
+ }
+ }
+
+ return base64Chars.join('');
+ },
+
+ /**
+ * Converts a Base64 string to a word array.
+ *
+ * @param {string} base64Str The Base64 string.
+ *
+ * @return {WordArray} The word array.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var wordArray = CryptoJS.enc.Base64.parse(base64String);
+ */
+ parse: function (base64Str) {
+ // Shortcuts
+ var base64StrLength = base64Str.length;
+ var map = this._map;
+ var reverseMap = this._reverseMap;
+
+ if (!reverseMap) {
+ reverseMap = this._reverseMap = [];
+ for (var j = 0; j < map.length; j++) {
+ reverseMap[map.charCodeAt(j)] = j;
+ }
+ }
+
+ // Ignore padding
+ var paddingChar = map.charAt(64);
+ if (paddingChar) {
+ var paddingIndex = base64Str.indexOf(paddingChar);
+ if (paddingIndex !== -1) {
+ base64StrLength = paddingIndex;
+ }
+ }
+
+ // Convert
+ return parseLoop(base64Str, base64StrLength, reverseMap);
+
+ },
+
+ _map: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='
+ };
+
+ function parseLoop(base64Str, base64StrLength, reverseMap) {
+ var words = [];
+ var nBytes = 0;
+ for (var i = 0; i < base64StrLength; i++) {
+ if (i % 4) {
+ var bits1 = reverseMap[base64Str.charCodeAt(i - 1)] << ((i % 4) * 2);
+ var bits2 = reverseMap[base64Str.charCodeAt(i)] >>> (6 - (i % 4) * 2);
+ var bitsCombined = bits1 | bits2;
+ words[nBytes >>> 2] |= bitsCombined << (24 - (nBytes % 4) * 8);
+ nBytes++;
+ }
+ }
+ return WordArray.create(words, nBytes);
+ }
+ }());
+
+
+ return CryptoJS.enc.Base64;
+
+}));
\ No newline at end of file
diff --git a/assets/javascripts/cryptojs/hmac.js b/assets/javascripts/cryptojs/hmac.js
new file mode 100755
index 0000000..8c09851
--- /dev/null
+++ b/assets/javascripts/cryptojs/hmac.js
@@ -0,0 +1,143 @@
+;(function (root, factory) {
+ if (typeof exports === "object") {
+ // CommonJS
+ module.exports = exports = factory(require("./core"));
+ }
+ else if (typeof define === "function" && define.amd) {
+ // AMD
+ define(["./core"], factory);
+ }
+ else {
+ // Global (browser)
+ factory(root.CryptoJS);
+ }
+}(this, function (CryptoJS) {
+
+ (function () {
+ // Shortcuts
+ var C = CryptoJS;
+ var C_lib = C.lib;
+ var Base = C_lib.Base;
+ var C_enc = C.enc;
+ var Utf8 = C_enc.Utf8;
+ var C_algo = C.algo;
+
+ /**
+ * HMAC algorithm.
+ */
+ var HMAC = C_algo.HMAC = Base.extend({
+ /**
+ * Initializes a newly created HMAC.
+ *
+ * @param {Hasher} hasher The hash algorithm to use.
+ * @param {WordArray|string} key The secret key.
+ *
+ * @example
+ *
+ * var hmacHasher = CryptoJS.algo.HMAC.create(CryptoJS.algo.SHA256, key);
+ */
+ init: function (hasher, key) {
+ // Init hasher
+ hasher = this._hasher = new hasher.init();
+
+ // Convert string to WordArray, else assume WordArray already
+ if (typeof key == 'string') {
+ key = Utf8.parse(key);
+ }
+
+ // Shortcuts
+ var hasherBlockSize = hasher.blockSize;
+ var hasherBlockSizeBytes = hasherBlockSize * 4;
+
+ // Allow arbitrary length keys
+ if (key.sigBytes > hasherBlockSizeBytes) {
+ key = hasher.finalize(key);
+ }
+
+ // Clamp excess bits
+ key.clamp();
+
+ // Clone key for inner and outer pads
+ var oKey = this._oKey = key.clone();
+ var iKey = this._iKey = key.clone();
+
+ // Shortcuts
+ var oKeyWords = oKey.words;
+ var iKeyWords = iKey.words;
+
+ // XOR keys with pad constants
+ for (var i = 0; i < hasherBlockSize; i++) {
+ oKeyWords[i] ^= 0x5c5c5c5c;
+ iKeyWords[i] ^= 0x36363636;
+ }
+ oKey.sigBytes = iKey.sigBytes = hasherBlockSizeBytes;
+
+ // Set initial values
+ this.reset();
+ },
+
+ /**
+ * Resets this HMAC to its initial state.
+ *
+ * @example
+ *
+ * hmacHasher.reset();
+ */
+ reset: function () {
+ // Shortcut
+ var hasher = this._hasher;
+
+ // Reset
+ hasher.reset();
+ hasher.update(this._iKey);
+ },
+
+ /**
+ * Updates this HMAC with a message.
+ *
+ * @param {WordArray|string} messageUpdate The message to append.
+ *
+ * @return {HMAC} This HMAC instance.
+ *
+ * @example
+ *
+ * hmacHasher.update('message');
+ * hmacHasher.update(wordArray);
+ */
+ update: function (messageUpdate) {
+ this._hasher.update(messageUpdate);
+
+ // Chainable
+ return this;
+ },
+
+ /**
+ * Finalizes the HMAC computation.
+ * Note that the finalize operation is effectively a destructive, read-once operation.
+ *
+ * @param {WordArray|string} messageUpdate (Optional) A final message update.
+ *
+ * @return {WordArray} The HMAC.
+ *
+ * @example
+ *
+ * var hmac = hmacHasher.finalize();
+ * var hmac = hmacHasher.finalize('message');
+ * var hmac = hmacHasher.finalize(wordArray);
+ */
+ finalize: function (messageUpdate) {
+ // Shortcut
+ var hasher = this._hasher;
+
+ // Compute HMAC
+ var innerHash = hasher.finalize(messageUpdate);
+ hasher.reset();
+ var hmac = hasher.finalize(this._oKey.clone().concat(innerHash));
+
+ return hmac;
+ }
+ });
+ }());
+
+
+}));
\ No newline at end of file
diff --git a/assets/javascripts/cryptojs/pbkdf2.js b/assets/javascripts/cryptojs/pbkdf2.js
new file mode 100755
index 0000000..1258251
--- /dev/null
+++ b/assets/javascripts/cryptojs/pbkdf2.js
@@ -0,0 +1,145 @@
+;(function (root, factory, undef) {
+ if (typeof exports === "object") {
+ // CommonJS
+ module.exports = exports = factory(require("./core"), require("./sha1"), require("./hmac"));
+ }
+ else if (typeof define === "function" && define.amd) {
+ // AMD
+ define(["./core", "./sha1", "./hmac"], factory);
+ }
+ else {
+ // Global (browser)
+ factory(root.CryptoJS);
+ }
+}(this, function (CryptoJS) {
+
+ (function () {
+ // Shortcuts
+ var C = CryptoJS;
+ var C_lib = C.lib;
+ var Base = C_lib.Base;
+ var WordArray = C_lib.WordArray;
+ var C_algo = C.algo;
+ var SHA1 = C_algo.SHA1;
+ var HMAC = C_algo.HMAC;
+
+ /**
+ * Password-Based Key Derivation Function 2 algorithm.
+ */
+ var PBKDF2 = C_algo.PBKDF2 = Base.extend({
+ /**
+ * Configuration options.
+ *
+ * @property {number} keySize The key size in words to generate. Default: 4 (128 bits)
+ * @property {Hasher} hasher The hasher to use. Default: SHA1
+ * @property {number} iterations The number of iterations to perform. Default: 1
+ */
+ cfg: Base.extend({
+ keySize: 128/32,
+ hasher: SHA1,
+ iterations: 1
+ }),
+
+ /**
+ * Initializes a newly created key derivation function.
+ *
+ * @param {Object} cfg (Optional) The configuration options to use for the derivation.
+ *
+ * @example
+ *
+ * var kdf = CryptoJS.algo.PBKDF2.create();
+ * var kdf = CryptoJS.algo.PBKDF2.create({ keySize: 8 });
+ * var kdf = CryptoJS.algo.PBKDF2.create({ keySize: 8, iterations: 1000 });
+ */
+ init: function (cfg) {
+ this.cfg = this.cfg.extend(cfg);
+ },
+
+ /**
+ * Computes the Password-Based Key Derivation Function 2.
+ *
+ * @param {WordArray|string} password The password.
+ * @param {WordArray|string} salt A salt.
+ *
+ * @return {WordArray} The derived key.
+ *
+ * @example
+ *
+ * var key = kdf.compute(password, salt);
+ */
+ compute: function (password, salt) {
+ // Shortcut
+ var cfg = this.cfg;
+
+ // Init HMAC
+ var hmac = HMAC.create(cfg.hasher, password);
+
+ // Initial values
+ var derivedKey = WordArray.create();
+ var blockIndex = WordArray.create([0x00000001]);
+
+ // Shortcuts
+ var derivedKeyWords = derivedKey.words;
+ var blockIndexWords = blockIndex.words;
+ var keySize = cfg.keySize;
+ var iterations = cfg.iterations;
+
+ // Generate key
+ while (derivedKeyWords.length < keySize) {
+ var block = hmac.update(salt).finalize(blockIndex);
+ hmac.reset();
+
+ // Shortcuts
+ var blockWords = block.words;
+ var blockWordsLength = blockWords.length;
+
+ // Iterations
+ var intermediate = block;
+ for (var i = 1; i < iterations; i++) {
+ intermediate = hmac.finalize(intermediate);
+ hmac.reset();
+
+ // Shortcut
+ var intermediateWords = intermediate.words;
+
+ // XOR intermediate with block
+ for (var j = 0; j < blockWordsLength; j++) {
+ blockWords[j] ^= intermediateWords[j];
+ }
+ }
+
+ derivedKey.concat(block);
+ blockIndexWords[0]++;
+ }
+ derivedKey.sigBytes = keySize * 4;
+
+ return derivedKey;
+ }
+ });
+
+ /**
+ * Computes the Password-Based Key Derivation Function 2.
+ *
+ * @param {WordArray|string} password The password.
+ * @param {WordArray|string} salt A salt.
+ * @param {Object} cfg (Optional) The configuration options to use for this computation.
+ *
+ * @return {WordArray} The derived key.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var key = CryptoJS.PBKDF2(password, salt);
+ * var key = CryptoJS.PBKDF2(password, salt, { keySize: 8 });
+ * var key = CryptoJS.PBKDF2(password, salt, { keySize: 8, iterations: 1000 });
+ */
+ C.PBKDF2 = function (password, salt, cfg) {
+ return PBKDF2.create(cfg).compute(password, salt);
+ };
+ }());
+
+
+ return CryptoJS.PBKDF2;
+
+}));
\ No newline at end of file
diff --git a/assets/javascripts/cryptojs/sha256.js b/assets/javascripts/cryptojs/sha256.js
new file mode 100755
index 0000000..de2d7fc
--- /dev/null
+++ b/assets/javascripts/cryptojs/sha256.js
@@ -0,0 +1,199 @@
+;(function (root, factory) {
+ if (typeof exports === "object") {
+ // CommonJS
+ module.exports = exports = factory(require("./core"));
+ }
+ else if (typeof define === "function" && define.amd) {
+ // AMD
+ define(["./core"], factory);
+ }
+ else {
+ // Global (browser)
+ factory(root.CryptoJS);
+ }
+}(this, function (CryptoJS) {
+
+ (function (Math) {
+ // Shortcuts
+ var C = CryptoJS;
+ var C_lib = C.lib;
+ var WordArray = C_lib.WordArray;
+ var Hasher = C_lib.Hasher;
+ var C_algo = C.algo;
+
+ // Initialization and round constants tables
+ var H = [];
+ var K = [];
+
+ // Compute constants
+ (function () {
+ function isPrime(n) {
+ var sqrtN = Math.sqrt(n);
+ for (var factor = 2; factor <= sqrtN; factor++) {
+ if (!(n % factor)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ function getFractionalBits(n) {
+ return ((n - (n | 0)) * 0x100000000) | 0;
+ }
+
+ var n = 2;
+ var nPrime = 0;
+ while (nPrime < 64) {
+ if (isPrime(n)) {
+ if (nPrime < 8) {
+ H[nPrime] = getFractionalBits(Math.pow(n, 1 / 2));
+ }
+ K[nPrime] = getFractionalBits(Math.pow(n, 1 / 3));
+
+ nPrime++;
+ }
+
+ n++;
+ }
+ }());
+
+ // Reusable object
+ var W = [];
+
+ /**
+ * SHA-256 hash algorithm.
+ */
+ var SHA256 = C_algo.SHA256 = Hasher.extend({
+ _doReset: function () {
+ this._hash = new WordArray.init(H.slice(0));
+ },
+
+ _doProcessBlock: function (M, offset) {
+ // Shortcut
+ var H = this._hash.words;
+
+ // Working variables
+ var a = H[0];
+ var b = H[1];
+ var c = H[2];
+ var d = H[3];
+ var e = H[4];
+ var f = H[5];
+ var g = H[6];
+ var h = H[7];
+
+ // Computation
+ for (var i = 0; i < 64; i++) {
+ if (i < 16) {
+ W[i] = M[offset + i] | 0;
+ } else {
+ var gamma0x = W[i - 15];
+ var gamma0 = ((gamma0x << 25) | (gamma0x >>> 7)) ^
+ ((gamma0x << 14) | (gamma0x >>> 18)) ^
+ (gamma0x >>> 3);
+
+ var gamma1x = W[i - 2];
+ var gamma1 = ((gamma1x << 15) | (gamma1x >>> 17)) ^
+ ((gamma1x << 13) | (gamma1x >>> 19)) ^
+ (gamma1x >>> 10);
+
+ W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16];
+ }
+
+ var ch = (e & f) ^ (~e & g);
+ var maj = (a & b) ^ (a & c) ^ (b & c);
+
+ var sigma0 = ((a << 30) | (a >>> 2)) ^ ((a << 19) | (a >>> 13)) ^ ((a << 10) | (a >>> 22));
+ var sigma1 = ((e << 26) | (e >>> 6)) ^ ((e << 21) | (e >>> 11)) ^ ((e << 7) | (e >>> 25));
+
+ var t1 = h + sigma1 + ch + K[i] + W[i];
+ var t2 = sigma0 + maj;
+
+ h = g;
+ g = f;
+ f = e;
+ e = (d + t1) | 0;
+ d = c;
+ c = b;
+ b = a;
+ a = (t1 + t2) | 0;
+ }
+
+ // Intermediate hash value
+ H[0] = (H[0] + a) | 0;
+ H[1] = (H[1] + b) | 0;
+ H[2] = (H[2] + c) | 0;
+ H[3] = (H[3] + d) | 0;
+ H[4] = (H[4] + e) | 0;
+ H[5] = (H[5] + f) | 0;
+ H[6] = (H[6] + g) | 0;
+ H[7] = (H[7] + h) | 0;
+ },
+
+ _doFinalize: function () {
+ // Shortcuts
+ var data = this._data;
+ var dataWords = data.words;
+
+ var nBitsTotal = this._nDataBytes * 8;
+ var nBitsLeft = data.sigBytes * 8;
+
+ // Add padding
+ dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
+ dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = Math.floor(nBitsTotal / 0x100000000);
+ dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = nBitsTotal;
+ data.sigBytes = dataWords.length * 4;
+
+ // Hash final blocks
+ this._process();
+
+ // Return final computed hash
+ return this._hash;
+ },
+
+ clone: function () {
+ var clone = Hasher.clone.call(this);
+ clone._hash = this._hash.clone();
+
+ return clone;
+ }
+ });
+
+ /**
+ * Shortcut function to the hasher's object interface.
+ *
+ * @param {WordArray|string} message The message to hash.
+ *
+ * @return {WordArray} The hash.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var hash = CryptoJS.SHA256('message');
+ * var hash = CryptoJS.SHA256(wordArray);
+ */
+ C.SHA256 = Hasher._createHelper(SHA256);
+
+ /**
+ * Shortcut function to the HMAC's object interface.
+ *
+ * @param {WordArray|string} message The message to hash.
+ * @param {WordArray|string} key The secret key.
+ *
+ * @return {WordArray} The HMAC.
+ *
+ * @static
+ *
+ * @example
+ *
+ * var hmac = CryptoJS.HmacSHA256(message, key);
+ */
+ C.HmacSHA256 = Hasher._createHmacHelper(SHA256);
+ }(Math));
+
+
+ return CryptoJS.SHA256;
+
+}));
\ No newline at end of file
diff --git a/assets/javascripts/decrypt-contents.js b/assets/javascripts/decrypt-contents.js
new file mode 100755
index 0000000..9ebaa47
--- /dev/null
+++ b/assets/javascripts/decrypt-contents.js
@@ -0,0 +1,477 @@
+/* encryptcontent/decrypt-contents.tpl.js */
+// https://stackoverflow.com/a/50868276
+const fromHex = hexString => new Uint8Array(hexString.match(/.{1,2}/g).map(byte => parseInt(byte, 16)));
+// https://stackoverflow.com/a/41106346
+const fromBase64 = base64String => Uint8Array.from(atob(base64String), c => c.charCodeAt(0));
+
+async function digestSHA256toBase64(message) {
+ const data = new TextEncoder().encode(message);
+ const hashBuffer = await crypto.subtle.digest("SHA-256", data);
+ const hashArray = new Uint8Array(hashBuffer);
+ const hashString = String.fromCharCode.apply(null, hashArray);
+ return btoa(hashString);
+};
+
+function base64url_decode(input) {
+ try {
+ const binString = atob(input.replace(/-/g, '+').replace(/_/g, '/'));
+ const binArray = Uint8Array.from(binString, (m) => m.codePointAt(0));
+ return new TextDecoder().decode(binArray);
+ }
+ catch (err) {
+ return false;
+ }
+}
+
+/* Decrypts the key from the key bundle. */
+async function decrypt_key(pass, iv_b64, ciphertext_b64, salt_b64) {
+ const salt = fromBase64(salt_b64);
+ const encPassword = new TextEncoder().encode(pass);
+ const kdfkey = await window.crypto.subtle.importKey(
+ "raw",
+ encPassword,
+ "PBKDF2",
+ false,
+ ["deriveKey"],
+ );
+ const wckey = await window.crypto.subtle.deriveKey(
+ {
+ name: "PBKDF2",
+ salt,
+ iterations: encryptcontent_obfuscate ? 1 : 100000,
+ hash: "SHA-256",
+ },
+ kdfkey,
+ { name: "AES-CBC", length: 256 },
+ true,
+ ["decrypt"],
+ );
+ const ciphertext = fromBase64(ciphertext_b64);
+ const iv = fromBase64(iv_b64);
+ try {
+ const decrypted = await window.crypto.subtle.decrypt(
+ {
+ name: "AES-CBC",
+ iv: iv
+ },
+ wckey,
+ ciphertext
+ );
+ const keystore = JSON.parse(new TextDecoder().decode(decrypted));
+ if (encryptcontent_id in keystore) {
+ return keystore;
+ } else {
+ //id not found in keystore
+ return false;
+ }
+ }
+ catch (err) {
+ // encoding failed; wrong key
+ return false;
+ }
+};
+
+/* Split key bundle and try to decrypt it */
+async function decrypt_key_from_bundle(password, ciphertext_bundle, username) {
+ // grab the ciphertext bundle and try to decrypt it
+ let user, pass;
+ let parts, keys, userhash;
+ if (ciphertext_bundle) {
+ if (username) {
+ user = encodeURIComponent(username.toLowerCase());
+ userhash = await digestSHA256toBase64(user);
+ }
+ for (let i = 0; i < ciphertext_bundle.length; i++) {
+ pass = encodeURIComponent(password);
+ parts = ciphertext_bundle[i].split(';');
+ if (parts.length == 3) {
+ keys = await decrypt_key(pass, parts[0], parts[1], parts[2]);
+ if (keys) {
+ setCredentials(null, pass);
+ return keys;
+ }
+ } else if (parts.length == 4 && username) {
+ if (parts[3] == userhash) {
+ keys = await decrypt_key(pass, parts[0], parts[1], parts[2]);
+ if (keys) {
+ setCredentials(user, pass);
+ return keys;
+ }
+ }
+ }
+ }
+ }
+ return false;
+};
+
+/* Decrypts the content from the ciphertext bundle. */
+async function decrypt_content(key, iv_b64, ciphertext_b64) {
+ const rawKey = fromHex(key);
+ const iv = fromBase64(iv_b64);
+ const ciphertext = fromBase64(ciphertext_b64);
+ try {
+ const wckey = await window.crypto.subtle.importKey(
+ "raw",
+ rawKey,
+ "AES-CBC",
+ true,
+ ["decrypt"]
+ );
+ const decrypted = await window.crypto.subtle.decrypt(
+ {
+ name: "AES-CBC",
+ iv: iv
+ },
+ wckey,
+ ciphertext
+ );
+ const decoder = new TextDecoder();
+ return decoder.decode(decrypted);
+ }
+ catch (err) {
+ // encoding failed; wrong key
+ return false;
+ }
+};
+
+/* Split cyphertext bundle and try to decrypt it */
+async function decrypt_content_from_bundle(key, ciphertext_bundle) {
+ // grab the ciphertext bundle and try to decrypt it
+ if (ciphertext_bundle) {
+ let parts = ciphertext_bundle.split(';');
+ if (parts.length == 2) {
+ return await decrypt_content(key, parts[0], parts[1]);
+ }
+ }
+ return false;
+};
+
+/* Save decrypted keystore to sessionStorage */
+async function setKeys(keys_from_keystore) {
+ for (const id in keys_from_keystore) {
+ sessionStorage.setItem(id, keys_from_keystore[id]);
+ }
+};
+
+/* Delete key with specific name in sessionStorage */
+async function delItemName(key) {
+ sessionStorage.removeItem(key);
+};
+
+async function getItemName(key) {
+ return sessionStorage.getItem(key);
+};
+/* save username/password to sessionStorage/localStorage */
+async function setCredentials(username, password) {
+ sessionStorage.setItem('encryptcontent_plugin_credentials', JSON.stringify({'user': username, 'password': password}));
+}
+
+/* try to get username/password from sessionStorage/localStorage */
+async function getCredentials(username_input, password_input) {
+ const credentials = JSON.parse(sessionStorage.getItem('encryptcontent_plugin_credentials'));
+ if (credentials && !encryptcontent_obfuscate) {
+ if (credentials['user'] && username_input) {
+ username_input.value = decodeURIComponent(credentials['user']);
+ }
+ if (credentials['password']) {
+ password_input.value = decodeURIComponent(credentials['password']);
+ }
+ return true;
+ } else {
+ return false;
+ }
+}
+
+/*remove username/password from localStorage */
+async function delCredentials() {
+ sessionStorage.removeItem('encryptcontent_plugin_credentials');
+}
+
+/* Reload scripts src after decryption process */
+async function reload_js(src) {
+ let script_src, script_tag, new_script_tag;
+ let head = document.getElementsByTagName('head')[0];
+
+ if (src.startsWith('#')) {
+ script_tag = document.getElementById(src.substr(1));
+ if (script_tag) {
+ script_tag.remove();
+ new_script_tag = document.createElement('script');
+ if (script_tag.innerHTML) {
+ new_script_tag.innerHTML = script_tag.innerHTML;
+ }
+ if (script_tag.src) {
+ new_script_tag.src = script_tag.src;
+ }
+ head.appendChild(new_script_tag);
+ }
+ } else {
+ if (base_url == '.') {
+ script_src = src;
+ } else {
+ script_src = base_url + '/' + src;
+ }
+
+ script_tag = document.querySelector('script[src="' + script_src + '"]');
+ if (script_tag) {
+ script_tag.remove();
+ new_script_tag = document.createElement('script');
+ new_script_tag.src = script_src;
+ head.appendChild(new_script_tag);
+ }
+ }
+};
+
+/* Decrypt part of the search index and refresh it for search engine */
+async function decrypt_search(keys, retry=true) {
+ let sessionIndex = sessionStorage.getItem('encryptcontent-index');
+ let could_decrypt = false;
+ if (sessionIndex) {
+ sessionIndex = JSON.parse(sessionIndex);
+ for (let i = 0; i < sessionIndex.docs.length; i++) {
+ let doc = sessionIndex.docs[i];
+ let location_sep = doc.location.indexOf(';');
+ if (location_sep !== -1) {
+ let location_id = doc.location.substring(0,location_sep);
+ let location_bundle = doc.location.substring(location_sep+1);
+ if (location_id in keys) {
+ let key = keys[location_id];
+ let location_decrypted = await decrypt_content_from_bundle(key, location_bundle);
+ if (location_decrypted) {
+ doc.location = location_decrypted;
+ doc.text = await decrypt_content_from_bundle(key, doc.text);
+ doc.title = await decrypt_content_from_bundle(key, doc.title);
+ could_decrypt = true;
+ }
+ }
+ }
+ }
+ if (could_decrypt) {
+ //save decrypted index
+ sessionIndex = JSON.stringify(sessionIndex);
+ sessionStorage.setItem('encryptcontent-index', sessionIndex);
+ // force search index reloading on Worker
+ if (typeof searchWorker !== 'undefined') {
+ searchWorker.postMessage({init: true, sessionIndex: sessionIndex});
+ } else { //not default search plugin: reload whole page
+ window.location.reload();
+ }
+ }
+ } else if (retry) {
+ setTimeout(() => { //retry after one second if 'encryptcontent-index' not available yet
+ decrypt_search(keys, false);
+ }, 1000);
+ }
+};
+
+/* Decrypt speficique html entry from mkdocs configuration */
+async function decrypt_somethings(key, encrypted_something) {
+ var html_item = '';
+ for (const [name, tag] of Object.entries(encrypted_something)) {
+ if (tag[1] == 'id') {
+ html_item = [document.getElementById(name)];
+ } else if (tag[1] == 'class') {
+ html_item = document.getElementsByClassName(name);
+ } else {
+ console.log('WARNING: Unknow tag html found, check "encrypted_something" configuration.');
+ }
+ if (html_item[0]) {
+ for (let i = 0; i < html_item.length; i++) {
+ // grab the cipher bundle if something exist
+ let content = await decrypt_content_from_bundle(key, html_item[i].innerHTML);
+ if (content !== false) {
+ // success; display the decrypted content
+ html_item[i].innerHTML = content;
+ html_item[i].style.display = null;
+ // any post processing on the decrypted content should be done here
+ }
+ }
+ }
+ }
+ return html_item[0];
+};
+
+/* Decrypt content of a page */
+async function decrypt_action(password_input, encrypted_content, decrypted_content, key_from_storage, username_input) {
+ let key=false;
+ let keys_from_keystore=false;
+
+ let user=false;
+ if (username_input) {
+ user = username_input.value;
+ }
+
+ if (key_from_storage !== false) {
+ key = key_from_storage;
+ } else {
+ keys_from_keystore = await decrypt_key_from_bundle(password_input.value, encryptcontent_keystore, user);
+ if (keys_from_keystore) {
+ key = keys_from_keystore[encryptcontent_id];
+ }
+ }
+
+ let content = false;
+ if (key) {
+ content = await decrypt_content_from_bundle(key, encrypted_content.innerHTML);
+ }
+ if (content !== false) {
+ // success; display the decrypted content
+ decrypted_content.innerHTML = content;
+ encrypted_content.parentNode.removeChild(encrypted_content);
+
+ if (keys_from_keystore !== false) {
+ return keys_from_keystore
+ } else {
+ return key
+ }
+ } else {
+ return false
+ }
+};
+
+async function decryptor_reaction(key_or_keys, password_input, fallback_used=false) {
+ let decrypted_element = document.getElementById("mkdocs-decrypted-content");
+ if (key_or_keys) {
+ let key;
+ if (typeof key_or_keys === "object") {
+ key = key_or_keys[encryptcontent_id];
+ setKeys(key_or_keys);
+ decrypt_search(key_or_keys);
+ } else {
+ key = key_or_keys;
+ }
+
+ // continue to decrypt others parts
+ let encrypted_something = {'myToc': ['div', 'id'], 'myTocButton': ['div', 'id']};
+ decrypt_somethings(key, encrypted_something);
+ if (typeof inject_something !== 'undefined') {
+ decrypted_element = await decrypt_somethings(key, inject_something);
+ }
+ if (typeof delete_something !== 'undefined') {
+ let el = document.getElementById(delete_something)
+ if (el) {
+ el.remove();
+ }
+ }
+
+ // any post processing on the decrypted content should be done here
+ if (typeof MathJax === 'object') { MathJax.typesetPromise();};
+ if (typeof mermaid === 'object') { mermaid.contentLoaded();};
+ decrypted_element.querySelectorAll('pre code').forEach((block) => {
+ hljs.highlightElement(block);
+ });
+ let reload_scripts = ['#autostart'];
+ for (let i = 0; i < reload_scripts.length; i++) {
+ await reload_js(reload_scripts[i]);
+ }
+ if (window.location.hash) { //jump to anchor if hash given after decryption
+ window.location.href = window.location.hash;
+ }
+ } else {
+ // remove item on sessionStorage if decryption process fail (Invalid item)
+ if (!fallback_used) {
+ if (!encryptcontent_obfuscate) {
+ // create HTML element for the inform message
+ let mkdocs_decrypt_msg = document.getElementById('mkdocs-decrypt-msg');
+ mkdocs_decrypt_msg.textContent = decryption_failure_message;
+ password_input.value = '';
+ password_input.focus();
+ }
+ }
+ delItemName(encryptcontent_id);
+ }
+}
+
+/* Trigger decryption process */
+async function init_decryptor() {
+ var username_input = document.getElementById('mkdocs-content-user');
+ var password_input = document.getElementById('mkdocs-content-password');
+ // adjust password field width to placeholder length
+ //if (password_input.hasAttribute('placeholder')) {
+ // password_input.setAttribute('size', password_input.getAttribute('placeholder').length);
+ //}
+ var encrypted_content = document.getElementById('mkdocs-encrypted-content');
+ var decrypted_content = document.getElementById('mkdocs-decrypted-content');
+ let content_decrypted;
+ /* If remember_keys is set, try to use sessionStorage item to decrypt content when page is loaded */
+ let key_from_storage = await getItemName(encryptcontent_id);
+ if (key_from_storage) {
+ content_decrypted = await decrypt_action(
+ password_input, encrypted_content, decrypted_content, key_from_storage, username_input
+ );
+ /* try to get username/password from sessionStorage */
+ if (content_decrypted === false) {
+ let got_credentials = await getCredentials(username_input, password_input);
+ if (got_credentials) {
+ content_decrypted = await decrypt_action(
+ password_input, encrypted_content, decrypted_content, false, username_input
+ );
+ }
+ }
+ decryptor_reaction(content_decrypted, password_input, true);
+ }
+ else {
+ let got_credentials = await getCredentials(username_input, password_input);
+ if (got_credentials) {
+ content_decrypted = await decrypt_action(
+ password_input, encrypted_content, decrypted_content, false, username_input
+ );
+ decryptor_reaction(content_decrypted, password_input, true);
+ }
+ }
+ if (window.location.hash) {
+ let location_hash = window.location.hash.substring(1)
+ let anchor_hash = location_hash.search('#')
+ if (anchor_hash != -1) { //check additional anchor
+ window.location.hash = location_hash.substring(anchor_hash);
+ location_hash = location_hash.substring(0,anchor_hash);
+ }
+ if (!content_decrypted) {
+ let sharestring;
+ if (location_hash.startsWith('!')) {
+ sharestring=decodeURIComponent(location_hash);
+ } else {
+ let b64u_check = base64url_decode(location_hash);
+ if (b64u_check !== false) {
+ if (b64u_check.startsWith('!') && b64u_check.includes(":")) {
+ sharestring=b64u_check;
+ }
+ }
+ }
+ if (sharestring) {
+ sharestring = sharestring.substring(1);
+ let pass_sep = sharestring.search(":");
+ if (username_input) {
+ username_input.value = sharestring.substring(0,pass_sep);
+ }
+ password_input.value = sharestring.substring(pass_sep+1);
+ content_decrypted = await decrypt_action(
+ password_input, encrypted_content, decrypted_content, false, username_input
+ );
+ decryptor_reaction(content_decrypted, password_input, false);
+ }
+ }
+ }
+ /* If password_button is set, try decrypt content when button is press */
+ let decrypt_button = document.getElementById("mkdocs-decrypt-button");
+ if (decrypt_button) {
+ decrypt_button.onclick = async function(event) {
+ event.preventDefault();
+ content_decrypted = await decrypt_action(
+ password_input, encrypted_content, decrypted_content, false, username_input
+ );
+ decryptor_reaction(content_decrypted, password_input);
+ };
+ }
+ /* Default, try decrypt content when key (ctrl) enter is press */
+ password_input.addEventListener('keypress', async function(event) {
+ if (event.key === "Enter") {
+ event.preventDefault();
+ content_decrypted = await decrypt_action(
+ password_input, encrypted_content, decrypted_content, false, username_input
+ );
+ decryptor_reaction(content_decrypted, password_input);
+ }
+ });
+}
+document.addEventListener('DOMContentLoaded', () => init_decryptor());
\ No newline at end of file
diff --git a/assets/javascripts/highlight.min.js b/assets/javascripts/highlight.min.js
new file mode 100755
index 0000000..cf57240
--- /dev/null
+++ b/assets/javascripts/highlight.min.js
@@ -0,0 +1,1207 @@
+/*!
+ Highlight.js v11.8.0 (git: 65687a907b)
+ (c) 2006-2023 undefined and other contributors
+ License: BSD-3-Clause
+ */
+var hljs=function(){"use strict";function e(n){
+return n instanceof Map?n.clear=n.delete=n.set=()=>{
+throw Error("map is read-only")}:n instanceof Set&&(n.add=n.clear=n.delete=()=>{
+throw Error("set is read-only")
+}),Object.freeze(n),Object.getOwnPropertyNames(n).forEach((t=>{
+const a=n[t],i=typeof a;"object"!==i&&"function"!==i||Object.isFrozen(a)||e(a)
+})),n}class n{constructor(e){
+void 0===e.data&&(e.data={}),this.data=e.data,this.isMatchIgnored=!1}
+ignoreMatch(){this.isMatchIgnored=!0}}function t(e){
+return e.replace(/&/g,"&").replace(//g,">").replace(/"/g,""").replace(/'/g,"'")
+}function a(e,...n){const t=Object.create(null);for(const n in e)t[n]=e[n]
+;return n.forEach((e=>{for(const n in e)t[n]=e[n]})),t}const i=e=>!!e.scope
+;class r{constructor(e,n){
+this.buffer="",this.classPrefix=n.classPrefix,e.walk(this)}addText(e){
+this.buffer+=t(e)}openNode(e){if(!i(e))return;const n=((e,{prefix:n})=>{
+if(e.startsWith("language:"))return e.replace("language:","language-")
+;if(e.includes(".")){const t=e.split(".")
+;return[`${n}${t.shift()}`,...t.map(((e,n)=>`${e}${"_".repeat(n+1)}`))].join(" ")
+}return`${n}${e}`})(e.scope,{prefix:this.classPrefix});this.span(n)}
+closeNode(e){i(e)&&(this.buffer+="")}value(){return this.buffer}span(e){
+this.buffer+=`